%0 Journal Article
%A S. I. Novikov
%T The periodic analog of Rolle's theorem for differential operators and approximation by $L$-splines
%J Matematičeskie zametki
%D 1994
%P 102-113
%V 56
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1994_56_4_a9/
%G ru
%F MZM_1994_56_4_a9